Tell them: “Yes; and you are utterly helpless (against Allah).”1
Footnotes
[1]
That is, Allah can make of you whatever He likes. When He willed, you came into being forthwith; when He wills, you will die at one command by Him; and then whenever He wills, His one command will raise you back to life.
[2]
At-Tabari mentioned that some exegetes said thatAl-Russ was a huge water pit.